diff --git a/pyproject.toml b/pyproject.toml
index 6a761bd..0191998 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
   "fastapi>=0.115,<1.0",
   "numpy>=1.26,<3.0",
   "psycopg[binary]>=3.2,<4.0",
-  "redis>=5.0,<6.0",
+  "redis>=5.0,<9.0",
   "sqlalchemy>=2.0,<3.0",
   "uvicorn>=0.34,<1.0",
 ]